pressurizing the steam headers. Ignition Although boilers have many different specific ignition systems, they all follow the same basic sequence of steps: 1. Pre-purge of the furnace. 2. Reduction of air flow for stable ignition. 3. Pilot burner ignition 4. Main burner ignition. Small boilers often have completely automatic ignition systems. Some older, or
Dec 31, 2020 · Turn off power to the boiler. Turn off water to the boiler. Drain the boiler so there is just a little water showing in the sight glass. Turn on the power.
Steam Boiler Flooding & Surging Causes & Repairs
Aug 23, 2015 · The only other thing that can start and stop a steam boiler is a pressuretrol. I like that name because it's easy to understand. It's short for Pressure Control. You don't need much pressure in a steam system, and it's the pressuretrol's job to watch over that pressure.
Sep 12, 2017 · Most low pressure steam boilers operate in the range of 0.5 PSI to 1.5 PSI (a half a pound to a pound an hour). Don't be alarmed if you don't see the needle on the gauge move much. If they needle is up in the 2-5 pump area, you should check with your boiler service company.
The steam pressure in the boiler is regulated by the Boiler Operator. This is a pressure control which senses the steam pressure and turns the boiler on and off accordingly. This control must be operationally tested. Adjust the pressure setting on the control to a pressure less than the boiler pressure (as shown on the boiler pressure gauge).
In this video, This Old House plumbing and heating contractor Richard Trethewey silences a noisy radiator. Steps for Quieting a Steam Radiator: Turn down the room's thermostat to ensure the heating system doesn't start up. Use a 48-inch level to check the radiator for level.